Improvement in compounds for welding and refining steel



UNITED STATES PATENT OFFIon,

CONRAD serum), on ronm, MICHIGAN.

IMPROVEMENT IN COMPOUNDS FOR WELDING AND REFINING STEEL.

Specification forming part of Letters Patent No. 150,621, dated May 5,1874; application filed April 30, 1874.

lows: Three ounces carbon; four ounces sulphate of iron; six ouncescopperas three ounces litharge; three ounces saltpeter; three ouncesprussiate of potash; three and a half ounces red oxide of iron; threeand a half ounces black oxide of manganese; four drains iodide ofpotassium; four ounces pulverized charcoal; one .pound common salt;twenty pounds pulverized clay or sand. These ingredients, with theexception of the clay or sand, are pulverized by any suitable means, andthoroughly mixed together in a vessel without regard to order ofprecedence. The clay or sand is then heated to about 100 Fahrenheit,after which the other mixture is mixed therewith by means of a hoe orother suitable means.

This mixing or intermingling of the ingred= ients should be of the mostthorough character, so that the various articles will be perfectlyblended together. The composition or compound is then in the shape of apowder, and is ready for use. It is applied in the usual manner bysprinkling the powder over the parts to be welded, and then giving themthe proper heat in the forge-fire. It is also used for refining andreinstating steel.

I do not confine myself to the exact propon tions of the ingredientsherein mentioned, as they may perhaps bevaried without materiallyaffecting the properties of the compound.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

The within-described compound, consisting of the ingredientssubstantially as and for the purposes herein set forth.

In testimony that I claim the foregoing as my invention, I hereuntoaffix my signature this 30th day of April, 187 4.

CONRAD SOHILD.

Witnesses:

HENRY N. MILLER, THOMAS BYRNE..

